29 vs 20 Question [Archive] - Glock Talk


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09-26-2012, 11:03
Now that I'm in love with my 20SF, I'm thinking of getting a 29SF for the days I don't want a full size. How much velocity/performance loss if any will there be carrying the 29? Thanks in advance!

09-26-2012, 11:15
Given the right ammo, nothing that the bad guy will notice.

09-26-2012, 11:38
This youtube video embedded on Underwood's site compares a 29 and 20 with 10mm Auto 165 Gr.

1362 fps out of g29 with LW barrel.

1308 out of g29 with factory barrel


1409 out of g20 with LW barrel


09-26-2012, 11:57
Well as I've learned, 100 fps means nothing at self defense ranges. Sweet. :)

09-26-2012, 12:16
I think a more important question is whether the recoil in the smaller frame is controllable in a stress situation. I have never fired a 29 so I don't know how much different the recoil is from my 20 but I was assume being smaller and lighter the 29 would have more felt recoil.

As stated, your target isn't going to notice the velocity difference between the two.

09-26-2012, 12:22
Yeah, I'm curious too. I just worked a deal with a guy so I should have one in hand next week or so. Once I put some rounds through it I'll be able to do a good comparison. To me, my 20 kicks less than my 21, with just a bit more muzzle flip. I can't wait to find out.

MichiGun Hunter
09-26-2012, 18:25
Given the right ammo, nothing that the bad guy will notice.

+1 on that

09-26-2012, 19:07
I generally notice about a 50 fps drop in most of the loads I have tried. This is with a LWD barrel of stock length.

My loads are nothing super hot. 165 grain at about 1225 out of the G20. The same load is 1185 out of the G29.